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The functions, code excerpts and comments discussed below here are from mm/oom_kill.c unless otherwise noted. It is the job of the linux 'oom killer' to sacrifice one or more processes in order to free up memory for the system when all else fails. It will also kill any process sharing the same mm_struct as the selected process, for obvious reasons. Any particular process leader may be immunized against the oom killer if the value of its /proc//oomadj is set to the constant OOM_DISABLE (currently defined as -17). The function which does the actual scoring of a process in the effort to find the best candidate for elimination is called badness(), which results from the following call chain: _alloc_pages -> out_of_memory() -> select_bad_process() -> badness() The comments to badness() pretty well speak for themselves:

Right click menu on icons - in nautilus - becomes longer and longer. In example, for a folder, there are more than 20 entries. It could be difficult - especially for new users who are not accustomed with shortcuts - to realize simple actions like delete or copy a file/folder. In order to enhance interaction with icons, a right click alternative could be implemented

You don't need to drop to the command line in order to use Linux, but a knowledge of the command line can be very useful. The command line is a very flexible, very powerful tool for doing things with your computer. Working at the command line can also cut down on the time it takes to carry out a task.

Are you a power-user with 5 minutes to spare? Do you want a faster internet experience? Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way. This project began as a 20% project at Google.

netboot.me is a service that allows you to boot nearly any operating system or utility on any computer with a wired internet connection - without having to know ahead of time what you'll want to boot. Once you can netboot.me, you never need to update your boot disk again! In order for your computer to know where to find the netboot servers, you need to change your DHCP settings to return some extra information. The two relevant pieces of information: next-server, which should be "tftp.netboot.me", and "filename", which should be "netbootme.kpxe". How to set these settings depends on your DHCP server. For dhcpd, simply add the following to the relevant 'subnet' section of your configuration: next-server "tftp.netboot.me" filename "netbootme.kpxe" For dnsmasq, the following line in /etc/dnsmasq.conf will achieve the same effect: dhcp-boot=netbootme.kpxe,tftp.netboot.me netboot.me works through the magic of netbooting. There are a number of ways to boot a computer with netboot.me. The simplest is to download a bootable image and burn it to a CD, USB memory stick, or floppy disk. Boot off it on any networked computer, and it will automatically fetch the latest boot options from netboot.me and let you choose from dozens of installation, recovery, testing, portable desktop and other tools. You can also start netboot.me from any computer running gPXE, or from any netbootable computer with some simple tweaks to your DHCP server.

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PhpMyChat is a PHP based script, it is very easy-to-install and can create a multi-room chat system using a database as the content storage. Lets go through the steps, in order to install the PhpMyChat in very few steps:

Rebooting is one of the important task to be performed once in a month in order to install updates for your kernel and to increase the performance of your active dedicated server. The reboot of server is essential everytime when you install any updates or patch your kernel.